F(5,700)

\ 19.59011\ P-value (F)\

2.72e-18

\ Log-likelihood\

-5259.348

\ Akaike criterion\ 10530.70\ Where male is a gender dummy, male

=1

and female

=0

\ d. All other factors being equal, is there evidence that men sleep more than women? How strong is the evidence?\ e. Is there a statistically significant tradeoff between working and sleeping? What is the estimated tradeoff?\ f. What is the logic behind adding age

^(2)

in the model? Explain\ (25 points)